Species
Browsing 1,903 species. Use the filters below to narrow down.
Bloch's Catfish
FishPimelodus blochii
A boldly striped rivercat that doubles as an accidental seed disperser in the wild.
Blonde Bulldog Pleco
FishChaetostoma cf thomsoni
The most common rubbernose pleco in the hobby, and endlessly misidentified.
Bloodfin Tetra
FishAphyocharax anisitsi
A hardy, long-lived tetra with vivid red fins and surprising cold tolerance.
Blotched Snakehead
FishChanna maculata
A predatory bruiser that breathes air and guards its young with fierce devotion.
Blue Acara
FishAndinoacara pulcher
A forgiving cichlid with real personality, perfect for community tanks with medium-sized fish.
Blueback Blue-eye
FishPseudomugil cyanodorsalis
A tiny blue-backed rainbowfish relative from Australia's brackish mangrove creeks.
Blue Banded Barb
FishBarbus fasciolatus
A rarely exported African barb with bold vertical bars and crepuscular habits.
Blueberry Shrimp
InvertNeocaridina palmata
A boldly patterned dwarf shrimp that brings real color to planted nano tanks.
Blueberry Tetra
FishHyphessobrycon wada
A tiny tetra with a purple-blue body and vivid orange fins that deepen with age.
Blue Botia
FishYasuhikotakia modesta
A sociable Mekong loach with vivid fins and a complex social life.
Blue Caribe
FishSerrasalmus altuvei
A rare, solitary piranha relative that's harder to identify than to keep.
Blue Cheek Dwarf Cichlid
FishApistogramma eunotus
A compact Peruvian dwarf cichlid with serious parenting instincts and big personality.
Blue Cichlid
FishNanochromis nudiceps
A compact Congo cichlid with a violet belly and real personality in a small package.
Blue Cory
FishCorydoras nattereri
A long-lived, sociable bottom-dweller that breathes air and blinks at you.
Blue Crayfish
InvertProcambarus alleni
Florida's boldest crustacean, in an almost unreal shade of blue.
Blue danio
FishDanio kerri
A powder-blue schooling gem from the Malay Peninsula that's rarely seen but easy to keep.
Blue Diamond Characin
FishAlestopetersius smykalai
A rare West African schooler with a bold diamond marking and fascinating male rivalry displays.
Blue Emperor Tetra
FishInpaichthys kerri
Tiny tetra with big color rivalry. Males glow brightest when competing for attention.
Blue-eye Cichlid
FishCryptoheros spilurus
A compact Central American cichlid with fierce pair bonds and big personality.
Blue-eyed Catfish
FishAmblydoras nauticus
A hardy little catfish that talks in the dark and rarely shows its face by day.
Blue-eyed Tropheus
FishTropheus brichardi
A Lake Tanganyika cichlid that rewards patience with fascinating colony dynamics.
Blue-eye Plec
FishPanaque suttonorum
A wood-rasping Venezuelan plec with vivid blue eyes that glow in the right light.
Bluefin Notho
FishNothobranchius rachovii
A fish that lives fast, dies young, and leaves spectacular eggs behind.
Bluegray Mbuna
FishMelanochromis johanni
A Lake Malawi rock-dweller with bold colors and bolder attitude.
Blue Hillstream Trout
FishOpsarius bernatziki
A fast, bold hillstream schooler with vivid blue flank bars and serious attitude.
Blue Killi
FishFundulopanchax filamentosus
Ornate West African killifish with flowing fins and a taste for live food.
Blue Leg Poso Shrimp
InvertCaridina cf babaulti
A delicate little shrimp from an ancient Indonesian lake with vivid blue legs.
Blue-lined Rasbora
FishTrigonopoma gracile
A delicate blackwater rasbora with variable color forms from Borneo's forest streams.
Blueline rasbora
FishRasbora einthovenii
A peaceful forest-stream rasbora with a charmingly crinkled lateral stripe.
Blue Lyretail
FishFundulopanchax gardneri
A jewel-toned killifish that rewards patient keepers with dazzling color and easy spawning.
Blue Lyretail
FishFundulopanchax gardneri gardneri
A hardy, colorful killifish that's genuinely beginner-friendly and easy to breed.
Blue Lyretail Killifish
FishAphyosemion gardneri
A brilliantly patterned West African killifish that rewards patient keepers with dazzling color.
Blue Mbuna
FishLabeotropheus fuelleborni
A rock-grazing Lake Malawi cichlid with a bold personality and remarkable color diversity.
Bluemouth Cichlid
FishAmphilophus nourissati
A bold Central American cichlid from ancient Mayan river country, built for character.
Blue Neon Cichlid
FishParacyprichromis nigripinnis
A peaceful Tanganyikan schooler that hangs vertically against rock walls to spawn.
Blue Neon Goby
FishStiphodon atropurpureus
A thumbnail-sized stream goby that grazes biofilm and occasionally vanishes into the sand.